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What to Do in the Garden in September

A Regional Gardening Almanac

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Red Maple in Fall

Red Maple in Fall

Marie Iannotti

September should bring relief to gardens in the Northern Hemisphere and signal the start of a new season for gardeners in areas that have been too warm for anything but hothouse tropicals, as well as southern hemisphere gardeners. So whether you are beginning the process of putting your garden to bed or gearing up for a fresh start, September can be one of the busiest months in the garden. Let's just hope the weather cooperates.


Everyone

Miscellaneous

  • Stop pruning and fertilizing
  • Bring summer vacationing houseplants back indoors while the windows are still open. Check carefully for hitchhiking pests
  • Start fall clean-up in the flower beds, cutting back anything that has finished blooming or is diseased
  • Take cuttings to overwinter indoors
  • Start winterizin your water garden
  • Watch for frost warning and cover tender plants
  • Photograph your gardens and containers for a record of the year's triumphs and frustrations
  • Give the compost a last turn

Flowers and Other Ornamental Plants

Vegetables

Fruit

  • Clean up fallen fruit

Trees & Shrubs

  • Plant trees and shrubs. Keep well watered, if there isn't sufficient rain.

Pests

  • Dispose of any diseased or infested plant debris, to avoid overwintering the problem


Warmer Areas


Desert Southwest

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